{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950631,-0.310323,0.000000,0.000000,0.173626,-0.531879,0.828830,0.000000,-0.256662,0.786249,0.562083,0.000000,-1638757.810336,5020113.988395,3564816.267560,1],    "boundingVolume": {    "region": [1.886246,0.596818,1.886411,0.596987,0.000000,8.821139]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396591.b3dm"}}}